#! /bin/sh
#
# Copyright (C) 2000-2022 Kern Sibbald
# License: BSD 2-Clause; see file LICENSE-FOSS
#
# bacula       This shell script takes care of starting and stopping
#              the bacula daemons.
#
#   This is pretty much watered down version of the RedHat script
#   that works on Solaris as well as Linux, but it won't work everywhere.
#
# description: The Leading Open Source Backup Solution.
#

PSCMD="@PSCMD@"

# All these are not *really* needed but it makes it
#  easier to "steal" this code for the development 
#  environment where they are different.
#  
BACFDBIN=@sbindir@
BACFDCFG=@sysconfdir@
BACSDBIN=@sbindir@
BACSDCFG=@sysconfdir@
BACDIRBIN=@sbindir@
BACDIRCFG=@sysconfdir@
PIDDIR=@piddir@
SUBSYSDIR=@subsysdir@

DIR_PORT=@dir_port@
FD_PORT=@fd_port@
SD_PORT=@sd_port@

DIR_USER=@dir_user@
DIR_GROUP=@dir_group@
FD_USER=@fd_user@
FD_GROUP=@fd_group@
SD_USER=@sd_user@
SD_GROUP=@sd_group@

# A function to stop a program.
killproc() {
    RC=0
    # Test syntax.
    if [ $# = 0 ]; then
        echo "Usage: killproc {program} [signal]"
        return 1
    fi

    notset=0
    # check for third arg to be kill level
    if [ "$3" != "" ] ; then
        killlevel=$3
    else
        notset=1
        killlevel="-9"
    fi

    # Get base program name
    base=`basename $1`

    # Find pid.
    pid=`pidofproc $base $2`

    # Kill it.
    if [ "$pid" != "" ] ; then
        if [ "$notset" = "1" ] ; then
            if ps -p $pid>/dev/null 2>&1; then
                # TERM first, then KILL if not dead
                kill -TERM $pid 2>/dev/null
                sleep 1
                if ps -p $pid >/dev/null 2>&1 ; then
                    sleep 1
                    if ps -p $pid >/dev/null 2>&1 ; then
                        sleep 3
                        if ps -p $pid >/dev/null 2>&1 ; then
                            kill -KILL $pid 2>/dev/null
                        fi
                    fi
                fi
             fi
             ps -p $pid >/dev/null 2>&1
             RC=$?
             [ $RC -eq 0 ] && failure "$base shutdown" || success "$base shutdown"
        #    RC=$((! $RC))
        # use specified level only
        else
            if ps -p $pid >/dev/null 2>&1; then
                kill $killlevel $pid 2>/dev/null
                RC=$?
                [ $RC -eq 0 ] && success "$base $killlevel" || failure "$base $killlevel"
            fi
        fi
    else
        failure "$base shutdown"
    fi
    # Remove pid file if any.
    if [ "$notset" = "1" ]; then
        rm -f ${PIDDIR}/$base.$2.pid
    fi
    return $RC
}

# A function to find the pid of a program.
pidofproc() {
    pid=""
    # Test syntax.
    if [ $# = 0 ] ; then
        echo "Usage: pidofproc {program}"
        return 1
    fi

    # Get base program name
    base=`basename $1`

    # First try PID file
    if [ -f ${PIDDIR}/$base.$2.pid ] ; then
        pid=`head -1 ${PIDDIR}/$base.$2.pid`
        if [ "$pid" != "" ] ; then
            echo $pid
            return 0
        fi
    fi

    # Next try "pidof"
   if [ -x /sbin/pidof ] ; then
       pid=`/sbin/pidof $1`
   fi
   if [ "$pid" != "" ] ; then
       echo $pid
       return 0
   fi

    # Finally try to extract it from ps
    ${PSCMD} | grep $1 | awk '{ print $1 }' | tr '\n' ' '
    return 0
}

status() {
    # Test syntax.
    if [ $# = 0 ] ; then
        echo "Usage: status {program}"
        return 1
    fi

    # Get base program name
    base=`basename $1`

   # First try "pidof"
   if [ -x /sbin/pidof ] ; then
       pid=`/sbin/pidof $1`
   fi
   if [ "$pid" != "" ] ; then
       echo "$base (pid $pid) is running..."
       return 0
   else
       pid=`${PSCMD} | awk 'BEGIN { prog=ARGV[1]; ARGC=1 } 
             { if ((prog == $2) || (("(" prog ")") == $2) ||
                  (("[" prog "]") == $2) ||
                  ((prog ":") == $2)) { print $1 ; exit 0 } }' $1`
       if [ "$pid" != "" ] ; then
           echo "$base (pid $pid) is running..."
           return 0
       fi
   fi

    # Next try the PID files
    if [ -f ${PIDDIR}/$base.$2.pid ] ; then
        pid=`head -1 ${PIDDIR}/$base.$2.pid`
        if [ "$pid" != "" ] ; then
            echo "$base not running, but pid file exists"
            return 1
        fi
    fi
    # See if the subsys lock exists
    if [ -f ${SUBSYSDIR}/$base ] ; then
        echo "$base not running, but subsys locked"
        return 2
    fi
    echo "$base is stopped"
    return 3
}

success() {
  return 0
}

failure() {
  rc=$?
  return $rc
}
